The HAL91 floppy is bootable. Just insert it into your floppy drive and start your computer.

The bootloader LOADLIN is also included with the HAL91 floppy. You can launch HAL91
directly from a running DOS.

All visible files on the HAL91 floppy are on a VFAT file system. You can inspect the disk
and even copy its contents (with losing the ability to boot directly from it) to anywhere
using a DOS or Windows compatible system.